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Tag Archive for: proven in use argument

Compiler for safety critical software – What needs to be done?

FuSa__General

The compiler is the central “tool”, which is required for every software development. It forms the link between the human-readable high-level source code (e.g., C and C ++) and the machine code, interpretable for the hardware processor. For the development of safety critical software according to relevant functional safety standards special requirements apply for the tools used during the development. (Refer to tool qualification blog 1 and blog 2) Such functional safety standards are ISO26262 (car), EN50128 (rail), IEC61508 (automation, general) or DO178C (aerospace).  The compiler plays a special role here. On the one hand, it is the central tool for any development. On the other hand, the measures proposed in the standards can not be fully applied in practice. The blog shows a process from the aerospace industry how to use compiler for safety critical systems. This process can highly be recommended for other industries. Read more

11. September 2017/1 Comment/by HEICON Global Engineering GmbH
https://heicon-ulm.de/wp-content/uploads/2019/12/DI1A6023_klein_Functional_Safety.jpg 433 547 HEICON Global Engineering GmbH https://heicon-ulm.de/wp-content/uploads/2020/07/heicon-logo-5.png HEICON Global Engineering GmbH2017-09-11 08:48:152021-02-03 21:47:16Compiler for safety critical software – What needs to be done?

Tool qualification – The pain of functional safety (part 2)!

FuSa__General

In the first part (Link) I explained the basic idea, which is behind the tool qualification. I have already given an overview of the four most frequently used measures.
In this article, I will discuss each of these 4 measures in more detail and name the respective advantages and disadvantages. Read more

26. November 2016/1 Comment/by HEICON Global Engineering GmbH
https://heicon-ulm.de/wp-content/uploads/2019/12/DI1A6023_klein_Functional_Safety.jpg 433 547 HEICON Global Engineering GmbH https://heicon-ulm.de/wp-content/uploads/2020/07/heicon-logo-5.png HEICON Global Engineering GmbH2016-11-26 22:50:032021-02-03 21:49:09Tool qualification – The pain of functional safety (part 2)!

Reuse Scenarios in ISO 26262 (part 2)

FuSa_Automotive

Reuse Secenarios in ISO 26262 part 1 demonstrated the diversity of reuse scenarios. Now I want to concentrate on concrete measures, which are used to make the reuse of software successfully. Read more

13. September 2015/0 Comments/by HEICON Global Engineering GmbH
https://heicon-ulm.de/wp-content/uploads/2020/03/DI1A6086_klein_Automotive.jpg 533 684 HEICON Global Engineering GmbH https://heicon-ulm.de/wp-content/uploads/2020/07/heicon-logo-5.png HEICON Global Engineering GmbH2015-09-13 16:42:492021-02-05 21:44:17Reuse Scenarios in ISO 26262 (part 2)

Reuse scenarios in ISO 26262 (part 1)

FuSa_Automotive

Why is the reuse of software, hardware, or complete electronic control units a central theme? Two essential aspects are to be considered: the development costs can be reduced significantly, i.e. reuse of components is very attractive in economic terms.
But also for security reasons, the reuse of components can offer significant benefits. A control unit, which is used already for years in the field and shows no safety relevant failure can be used with significantly reduced risk in comparison to a new development.
To be able use these benefits really, you must be aware of the various reuse scenarios. In a second step, you must identify the features of the discussed reuse scenario and take appropriate action. Read more

13. September 2015/1 Comment/by HEICON Global Engineering GmbH
https://heicon-ulm.de/wp-content/uploads/2020/03/DI1A6086_klein_Automotive.jpg 533 684 HEICON Global Engineering GmbH https://heicon-ulm.de/wp-content/uploads/2020/07/heicon-logo-5.png HEICON Global Engineering GmbH2015-09-13 15:18:072021-02-05 21:44:41Reuse scenarios in ISO 26262 (part 1)

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